<template>
  <header class="app-header">
    <div class="container" :class="{hide:y>=78}">
      <h1 class="logo"><RouterLink to="/">小兔鲜</RouterLink></h1>
      <AppHeaderNav />
      <div class="search">
        <i class="iconfont icon-search"></i>
        <input type="text" placeholder="搜一搜" />
      </div>
      <AppHeaderCart />
    </div>
  </header>
</template>

<script>
import { useWindowScroll } from '@vueuse/core'
import AppHeaderNav from "@/components/app-header-nav";
import AppHeaderCart from '@/components/app-header-cart.vue'
export default {
  name: "AppHeader",
  components: {
    AppHeaderNav,
    AppHeaderCart
  },
  setup() {
    const {y} = useWindowScroll()


    return {
      y
    }
  }

};
</script>

<style scoped lang="less">
.app-header {
  background: #fff;
  .container {
    display: flex;
    align-items: center;
    &.hide{
      transform: translateY(-100%);
      opacity: 0;
    }
  }
  .logo {
    width: 200px;
    a {
      display: block;
      height: 150px;
      width: 100%;
      text-indent: -9999px;
      background: url(../assets/images/logo.png) no-repeat center / contain;
      transform: scale(0.8);
    }
  }

  .search {
    width: 170px;
    height: 32px;
    position: relative;
    border-bottom: 1px solid #e7e7e7;
    line-height: 32px;
    .icon-search {
      font-size: 18px;
      margin-left: 5px;
    }
    input {
      width: 140px;
      padding-left: 5px;
      color: #666;
    }
  }
  .cart {
    width: 50px;
    .curr {
      height: 32px;
      line-height: 32px;
      text-align: center;
      position: relative;
      display: block;
      .icon-cart {
        font-size: 22px;
      }
      em {
        font-style: normal;
        position: absolute;
        right: 0;
        top: 0;
        padding: 1px 6px;
        line-height: 1;
        background: @helpColor;
        color: #fff;
        font-size: 12px;
        border-radius: 10px;
        font-family: Arial;
      }
    }
  }
}
</style>
